| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 K1 | 1998 04 04.30752 | 10 42 55.44 | +41 26 25.9 | 15.6 | N | G91 |
| C/1998 K1 | 1998 04 04.31594 | 10 42 55.17 | +41 26 20.7 | 15.6 | N | G91 |
| C/1998 K1 | 1998 04 04.31594 | 10 42 55.18 | +41 26 20.7 | 696 | ||
| C/1998 K1 | 1998 04 22.25175 | 10 36 22.32 | +38 00 56.5 | 16.3 | T | 699 |
| C/1998 K1 | 1998 04 22.26168 | 10 36 22.28 | +38 00 48.1 | 699 | ||
| C/1998 K1 | 1998 04 22.27161 | 10 36 22.18 | +38 00 40.6 | 699 | ||
| C/1998 K1 | 1998 04 23.25369 | 10 36 12.89 | +37 48 12.3 | 16.1 | T | 699 |
| C/1998 K1 | 1998 04 23.26361 | 10 36 12.73 | +37 48 04.6 | 699 | ||
| C/1998 K1 | 1998 04 23.27353 | 10 36 12.70 | +37 47 57.0 | 699 | ||
| C/1998 K1 | 1998 05 10.22288 | 10 36 45.75 | +33 59 20.4 | 696 | ||
| C/1998 K1 | 1998 05 10.22288 | 10 36 45.75 | +33 59 20.5 | 15.9 | N | G91 |
| C/1998 K1 | 1998 05 17.32032 | 10 38 38.87 | +32 18 20.3 | 675 | ||
| C/1998 K1 | 1998 05 17.91916 | 10 38 50.97 | +32 09 44.0 | 16.0 | T | 046 |
| C/1998 K1 | 1998 05 17.92615 | 10 38 51.07 | +32 09 37.9 | 046 | ||
| C/1998 K1 | 1998 05 17.92782 | 10 38 51.06 | +32 09 37.4 | 046 | ||
| C/1998 K1 | 1998 05 17.92899 | 10 38 51.14 | +32 09 35.8 | 046 | ||
| C/1998 K1 | 1998 05 17.93014 | 10 38 51.16 | +32 09 35.1 | 046 | ||
| C/1998 K1 | 1998 05 18.15106 | 10 38 55.66 | +32 06 24.6 | 16.4 | T | 696 |
| C/1998 K1 | 1998 05 18.19169 | 10 38 56.45 | +32 05 49.1 | 16.4 | T | 696 |
| C/1998 K1 | 1998 05 18.27426 | 10 38 58.08 | +32 04 37.7 | 696 |